[ 10.098652][ T253] bond1: (slave dummy1): making interface the new active one [ 10.099895][ T253] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 10.181888][ T257] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 10.255958][ T259] dummy1: entered promiscuous mode [ 10.693454][ T278] dummy1: left promiscuous mode [ 11.021911][ T279] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 11.032562][ T279] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 11.043050][ T279] bond1 (unregistering): Released all slaves [ 11.076436][ T279] ip (279) used greatest stack depth: 23488 bytes left [ 12.340752][ T309] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 12.344352][ T256] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 12.448478][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 12.454713][ T311] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 12.563851][ T312] dummy1: entered promiscuous mode [ 12.564137][ T312] dummy2: entered promiscuous mode [ 12.991995][ T325] dummy1: left promiscuous mode [ 12.992368][ T325] dummy2: left promiscuous mode [ 13.367284][ T326] [ 13.367529][ T326] ============================= [ 13.367815][ T326] WARNING: suspicious RCU usage [ 13.368089][ T326] 6.14.0-rc6-virtme #1 Not tainted [ 13.368291][ T326] ----------------------------- [ 13.368476][ T326] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 13.368791][ T326] [ 13.368791][ T326] other info that might help us debug this: [ 13.368791][ T326] [ 13.369159][ T326] [ 13.369159][ T326] rcu_scheduler_active = 2, debug_locks = 1 [ 13.369431][ T326] 3 locks held by ip/326: [ 13.369575][ T326] #0: ffffffffab60d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 13.369925][ T326] #1: ffff8880095d2d58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 13.370316][ T326] #2: ffffffffaad5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 13.370648][ T326] [ 13.370648][ T326] stack backtrace: [ 13.370875][ T326] CPU: 3 UID: 0 PID: 326 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 13.370879][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.370881][ T326] Call Trace: [ 13.370883][ T326] [ 13.370885][ T326] dump_stack_lvl+0xb0/0xd0 [ 13.370893][ T326] lockdep_rcu_suspicious+0x1ea/0x280 [ 13.370904][ T326] dev_hard_start_xmit+0x2fc/0x3f0 [ 13.370916][ T326] __dev_queue_xmit+0xef9/0x1850 [ 13.370932][ T326] ? __pfx___dev_queue_xmit+0x10/0x10 [ 13.370938][ T326] ? __alloc_skb+0x148/0x2e0 [ 13.370944][ T326] ? __pfx___alloc_skb+0x10/0x10 [ 13.370947][ T326] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 13.370956][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.370965][ T326] ? __netdev_alloc_skb+0x43/0x660 [ 13.370974][ T326] ad_lacpdu_send+0x572/0x680 [ 13.370982][ T326] bond_3ad_unbind_slave+0x86e/0x2070 [ 13.370993][ T326] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 13.370997][ T326] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 13.371015][ T326] __bond_release_one+0xfa0/0x1560 [ 13.371025][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.371030][ T326] ? __pfx___bond_release_one+0x10/0x10 [ 13.371042][ T326] ? find_held_lock+0x2c/0x110 [ 13.371049][ T326] ? __lock_release+0x103/0x460 [ 13.371051][ T326] ? packet_notifier+0x3a6/0x810 [ 13.371059][ T326] ? bond_netpoll_cleanup+0x158/0x290 [ 13.371067][ T326] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 13.371081][ T326] bond_uninit+0x10c/0x340 [ 13.371086][ T326] ? __pfx_bond_uninit+0x10/0x10 [ 13.371092][ T326] ? notifier_call_chain+0xcd/0x150 [ 13.371103][ T326] unregister_netdevice_many_notify+0x39d/0x19d0 [ 13.371120][ T326] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 13.371123][ T326] ? rtnl_dellink+0x221/0xa30 [ 13.371125][ T326] ? sock_def_readable+0x11e/0x300 [ 13.371131][ T326] ? __pfx___mutex_lock+0x10/0x10 [ 13.371139][ T326] ? rtnl_is_locked+0x15/0x20 [ 13.371143][ T326] ? unregister_netdevice_queue+0x70/0x410 [ 13.371148][ T326] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 13.371152][ T326] ? __nla_validate_parse+0x48/0x3d0 [ 13.371166][ T326] rtnl_dellink+0x341/0xa30 [ 13.371173][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 13.371239][ T326] ? find_held_lock+0x2c/0x110 [ 13.371246][ T326] ? __lock_release+0x103/0x460 [ 13.371249][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 13.371253][ T326] ? __pfx___lock_release+0x10/0x10 [ 13.371256][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.371268][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 13.371273][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 13.371277][ T326] rtnetlink_rcv_msg+0x712/0xc10 [ 13.371284][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.371288][ T326] ? hlock_class+0x4e/0x130 [ 13.371292][ T326] ? mark_lock+0x38/0x3e0 [ 13.371302][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.371309][ T326] netlink_rcv_skb+0x130/0x360 [ 13.371315][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.371322][ T326] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 13.371344][ T326] ? netlink_deliver_tap+0x13e/0x340 [ 13.371350][ T326] ? netlink_deliver_tap+0xc3/0x340 [ 13.371358][ T326] netlink_unicast+0x44b/0x710 [ 13.371366][ T326] ? __pfx_netlink_unicast+0x10/0x10 [ 13.371371][ T326] ? find_held_lock+0x2c/0x110 [ 13.371382][ T326] netlink_sendmsg+0x723/0xbe0 [ 13.371392][ T326] ? __pfx_netlink_sendmsg+0x10/0x10 [ 13.371409][ T326] ____sys_sendmsg+0x7ac/0xa10 [ 13.371416][ T326] ? __pfx_____sys_sendmsg+0x10/0x10 [ 13.371419][ T326] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 13.371438][ T326] ___sys_sendmsg+0xee/0x170 [ 13.371445][ T326] ? __pfx____sys_sendmsg+0x10/0x10 [ 13.371454][ T326] ? kasan_save_stack+0x34/0x50 [ 13.371458][ T326] ? kasan_save_stack+0x24/0x50 [ 13.371460][ T326] ? kasan_record_aux_stack+0x8c/0xa0 [ 13.371464][ T326] ? __call_rcu_common.constprop.0+0xa1/0x5b0 [ 13.371467][ T326] ? __x64_sys_close+0x7c/0xd0 [ 13.371471][ T326] ? do_syscall_64+0xc1/0x1d0 [ 13.371474][ T326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.371479][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.371483][ T326] ? lock_downgrade+0xb2/0x110 [ 13.371491][ T326] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 13.371498][ T326] ? find_held_lock+0x2c/0x110 [ 13.371505][ T326] ? __lock_release+0x103/0x460 [ 13.371507][ T326] ? __virt_addr_valid+0x22b/0x430 [ 13.371512][ T326] ? __pfx___lock_release+0x10/0x10 [ 13.371515][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.371525][ T326] __sys_sendmsg+0x109/0x1a0 [ 13.371529][ T326] ? __pfx___sys_sendmsg+0x10/0x10 [ 13.371555][ T326] do_syscall_64+0xc1/0x1d0 [ 13.371561][ T326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.371564][ T326] RIP: 0033:0x7f481248e9a7 [ 13.371568][ T326] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 13.371571][ T326] RSP: 002b:00007ffd7d9eb438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.371575][ T326] RAX: ffffffffffffffda RBX: 00007ffd7d9ebb60 RCX: 00007f481248e9a7 [ 13.371577][ T326] RDX: 0000000000000000 RSI: 00007ffd7d9eb4a0 RDI: 0000000000000005 [ 13.371579][ T326] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 13.371581][ T326] R10: 00007f481234cef8 R11: 0000000000000246 R12: 0000000000000001 [ 13.371583][ T326] R13: 0000000067da3ddf R14: 0000000000498600 R15: 0000000000000000 [ 13.371600][ T326] [ 13.390837][ T326] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 13.391227][ T326] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 13.392226][ T326] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 13.413156][ T326] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 13.413985][ T326] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 13.433081][ T326] bond1 (unregistering): Released all slaves [ 13.471792][ T326] ip (326) used greatest stack depth: 22376 bytes left [ 14.618647][ T354] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 14.753655][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 14.857190][ T256] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 15.272869][ T368] bond1: (slave dummy1): Removing an active aggregator [ 15.273553][ T368] bond1: (slave dummy1): Releasing backup interface [ 15.884988][ T372] bond1 (unregistering): Released all slaves [ 16.498246][ T389] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 16.504194][ T256] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 16.608490][ T256] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 17.103923][ T402] bond1: (slave dummy1): Removing an active aggregator [ 17.104446][ T402] bond1: (slave dummy1): Releasing backup interface [ 17.729979][ T406] bond1 (unregistering): Released all slaves